397492721 is an odd 9-digits prime number following 397492720
and preceding 397492722 . In scientific notation, it is written as 3.97492721 × 10^8.
The sum of its digits is 44. It has a total of 1 prime factors and 2 positive divisors.
There are 397492720 positive integers (up to 397492721) that are relatively prime to 397492721.
397492721 has 2 divisors, whose sum is 397492722
The reverse of 397492721 is 127294793
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
three hundred ninety-seven million four hundred ninety-two thousand seven hundred twenty-one
Scientific notation
3.97492721 × 10^8
Engineering notation
3.97492721 × 10^6
Prime Factorization
397492721
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
397492721
Product of the distinct prime numbers
The prime factorization of 397492721 is 397492721.
Since it has a total of 1 prime factors.
10 , 2 , 51 , 24 , 354 , 105 , 7134 , 9502 , 14276 , 80538 , 326652 , 412015 , 1807551 , 7801204 , 73349140 , 5828877 , 160555289 , 561458081 , 2295263862 , 542193885
n×2
794985442
n×3
1192478163
n×4
1589970884
n×5
1987463605
n÷2
198746360.5
n÷3
132497573.66667
n÷3
99373180.25
n÷5
79498544.2
n2
158000463247983841
n3
6.2804034055702E+25
n4
2.4964146386577E+34
n5
9.923066474643E+42
2 √n
19937.21949019
3 √n
735.26358941777
4 √n
141.19921915574
5 √n
52.464535968979
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
397492722
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
198746361
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
19937.219515268
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999949685
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 397492721 can be divided by 2 positive divisors.
The sum of these divisors (counting 397492721) is 397492722, the average is 198746361.
Base
System
Value
2
Binary
10111101100010100000111110001
3
Ternary
1000200221201111122
4
Quaternary
113230110013301
5
Quinary
1303224231341
6
Senary
103235352025
8
Octal
2754240761
10
Decimal
397492721
12
Duodecimal
b1152615
16
Hexadecimal
17b141f1
20
Vigesimal
6446bg1
36
Base36
6knnch
md5
882f4f2d7e79f9c7c754385ddd48244a
sha1
762fef08fffe8d9f6a4fee1b722f5befbb989c36
sha256
8a5710c4d776eb4efb4dbdaf42c33690bdec63169fb3e20c107f493b038b7da3
sha512
8157ccb9b7265711e28b312d042604e03cb867ef7768911a7619247ec097c0e6ea5f93c1a3aae2913e5a8f9afe750e622b38285412a8c167a446477c5a848501
ripemd-160
8a37948bfc8152b351f8904a0207e506643080db
Diameter
794985442
Circumference
2497520424.298
Area
4.9637309460365E+17
Volume
2.6307292267359E+26
Surface area
1.9854923784146E+18
Circumference
2497520424.298
Perimeter
1589970884
Area
158000463247983841
Diagonal
562139596.98278
Surface area
948002779487903046
Volume
6.2804034055702E+25
Space diagonal
688477588.4108
Perimeter
1192478163
Area
6.8416207491232E+16
Altitude
344238794.2054
Surface area
6.8416207491232E+16
Volume
7.4015263944429E+24
Height
187379865.66093